Quick answers
- Which hospitals does Rajaratnam Pathmarajah work at?
- Medicare's official clinician data lists Rajaratnam Pathmarajah at 4 hospitals: Fort Hamilton Hughes Memorial Hospital, Kettering Health Dayton, Kettering Health Main Campus and Mercy Health - Fairfield Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Rajaratnam Pathmarajah see patients?
- Medicare's clinician data lists 1 practice location in Hamilton, OH. Call before your visit to confirm the address.
- What is Rajaratnam Pathmarajah's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Rajaratnam Pathmarajah accept Medicare assignment?
- Yes. Medicare's clinician data says Rajaratnam Pathmarajah accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Rajaratnam Pathmarajah?
- (513) 867-2000, as listed in official Medicare / NPI Registry data.
- What is Rajaratnam Pathmarajah's NPI number?
- 1891882346. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Rajaratnam Pathmarajah works
Medicare's Facility Affiliation Data lists Rajaratnam Pathmarajah at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Fort Hamilton Hughes Memorial HospitalHamilton, OH · Acute Care Hospital · CCN 360132
- Kettering Health DaytonDayton, OH · Acute Care Hospital · CCN 360133
- Kettering Health Main CampusKettering, OH · Acute Care Hospital · CCN 360079
- Mercy Health - Fairfield HospitalFairfield, OH · Acute Care Hospital · CCN 360056
Practice locations
Addresses where Rajaratnam Pathmarajah is enrolled with Medicare (CMS data updated 2026-10-02).
- 630 Eaton AveHamilton, OH 45013 (513) 867‑2000
Group practices
Medicare enrollment lists Rajaratnam Pathmarajah as a member of this group (CMS data updated 2026-10-02).
- Medicine Inpatient Group LLC40 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Hamilton
Clinicians with the same Medicare primary specialty in Hamilton, OH — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1998 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1891882346 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians